Methods for improving the nutritional quality of residues of the fuel, beverage alcohol, food and feed industries
First Claim
1. A method for improving the nutritional quality of a fibrous by-product or residue of a food manufacturing process, comprising:
- inoculating the fibrous by-product or residue with at least one filamentous fungus; and
fermenting the fibrous by-product or residue;
whereby a dry matter content of the by-product or residue decreases, a protein content of the by-product or residue increases, and a fat content of the by-product or residue decreases.
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Accused Products
Abstract
A method is provided for improving the nutritional quality of a fibrous by-product or residue of a food manufacturing process, wherein the fibrous by-product or residue is inoculated with at least one filamentous fungus, and the fibrous by-product or residue is fermented thereby to decrease dry matter content, increase protein content, and decrease fat content of the by-product or residue. Suitable byproducts or residues include spent brewer'"'"'s grains, dried distiller'"'"'s grains, dried distiller'"'"'s solubles, distiller'"'"'s dried grains with solubles, residues of the cereal processing industry, wheat bran, soybean hulls, citrus pulp, beet pulp, rice husks or hulls, bagasse, apple pommace, and combinations thereof. Enzymes produced during the fermentation may also be used as valuable coproducts such as animal feed supplements, or may be used in primary fermentations for the brewing and distilling industry.
30 Citations
21 Claims
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1. A method for improving the nutritional quality of a fibrous by-product or residue of a food manufacturing process, comprising:
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inoculating the fibrous by-product or residue with at least one filamentous fungus; and
fermenting the fibrous by-product or residue;
whereby a dry matter content of the by-product or residue decreases, a protein content of the by-product or residue increases, and a fat content of the by-product or residue decreases. - View Dependent Claims (2, 3, 4, 5)
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6. A method for producing an animal feed and an enzyme-based animal feed supplement from a fibrous by-product or residue of a food manufacturing process, comprising:
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inoculating the fibrous by-product or residue with at least one filamentous fungus;
fermenting the fibrous by-product or residue whereby a dry matter content of the by-product or residue decreases, a protein content of the by-product or residue increases, and a fat content of the by-product or residue decreases;
separating at least one enzyme from the fermented fibrous by-product or residue; and
providing the fermented fibrous by-product or residue and optionally the separated enzyme to an animal as a feed or feed supplement. - View Dependent Claims (7, 8, 9, 10, 11, 12)
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13. An enzyme-containing animal feed or feed supplement, produced by the steps of:
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inoculating a fibrous byproduct or residue of a food manufacturing process with at least one filamentous fungus; and
fermenting the fibrous byproduct or residue whereby a dry matter content of the byproduct or residue decreases, a protein content of the byproduct or residue increases, a fat content of the byproduct or residue decreases, and at least one enzyme of fungal origin is introduced into the fermented byproduct or residue.
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14. A method for improving body weight gain rate of a growing animal, comprising feeding a nutritionally effective amount of an enzyme-based animal feed supplement formulated by the steps of:
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inoculating a fibrous byproduct or residue of a food manufacturing process with at least one filamentous fungus;
fermenting the fibrous byproduct or residue whereby a dry matter content of the byproduct or residue decreases, a protein content of the byproduct or residue increases, and a fat content of the byproduct or residue decreases;
separating at least one enzyme from the fermented fibrous byproduct or residue;
dewatering the separated enzyme; and
providing the dewatered enzyme to an animal in a formulation including a suitable carrier. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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Specification